Expand Your Vision with our Trademarked Ulti-Mater Material Built PK1 with Our PAtented Dual-Lens Technology The PeakVision lenses were designed by J-Paul Moore to eliminate distortion within sports optics. It took him over four years to prototype and design the PeakVision dual-zone lens, which he dubbed to be the perfect lens for golf, tennis, biking and many other sports. Dual-Zone Hybrid Optics improves your vision and makes your game better in vision-critical sports like golf, baseball, cycling, equestrian activities, and snow sports. Pk1 non-polarized sunglasses are equipped with a 52-abbe Value rating for sunglasses with Zero-Distortion making them as clear as crown glass. PeakVision's patented lens technology consists of two zones- Upper 20% Neutral Gray: - Protects from all UV rays. - Enhances long-distance visibility. - Reduces glare from the sun. - Lessens eye fatigue, allowing you to spend more time doing what you love Lower 60% Contrast Amber - Protects from all UV rays. - Enhances clarity. - Provides 3X the visual information as your naked eye, allowing for an impeccable read of the green, court, or field Other Technologies Included The PK1 (Peak1) eyewear is our best selling pair of sunglasses. This style is made from our trademarked Ulti-mater material that provides lightweight durability throughout the frame. Anti-Reflective Backside Coating and Super-Hydrophobic Liquid Repellent Coating help in the repulsion of dirt, oil, and water making sunglasses easy to clean. RA filters are built into the front and backside of the lens, to combat against glare from all angles. It helps in enhancing your vision and you will be able to see things a whole lot clearer. This pair of stylish non-polarized comes with impact-resistant safety and 100% UV400 protection. The Pk1 golf sunglasses are available in black and brown frames. Order Now!